Institute Newton C. Braga

Circuit Bench

Interface ECL to TTL (CB16675E)
Although ECL logic is rare (no longer used), this circuit from a 1992 documentation shows how to...
Integrated mixer (CB21976E)
This mixer with the integrated circuit CA3130 was obtained from an English publication from 1977....
Locked Code Switch (CB18038E)
This project makes use of a technology without many digital components and that can be easily...